Saginaw, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Saginaw, a city in Saginaw County, Michigan.
Overnight
62°F
Mostly Cloudy
Mostly cloudy, with a low around 62. South southeast wind around 10 mph, with gusts as high as 22 mph.
7-day forecast for Saginaw
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Cloudy | 10 mph SSE | 4% |
| Wednesday | 71°F | Light Rain | 12 to 16 mph S | 85% |
| Wednesday Night | 52°F | Light Rain then Mostly Cloudy | 9 to 13 mph SSW | 78% |
| Thursday | 60°F | Mostly Cloudy then Chance Light Rain | 10 to 15 mph SW | 34% |
| Thursday Night | 45°F | Chance Light Rain | 3 to 8 mph W | 54% |
| Friday | 53°F | Chance Light Rain | 5 to 12 mph NNW | 54% |
| Friday Night | 37°F | Chance Light Rain | 7 to 10 mph NNW | 41% |
| Saturday | 51°F | Slight Chance Light Rain then Partly Sunny | 9 mph NW | 20% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph WSW | 4% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Light Rain | 5 to 12 mph WSW | 17% |
| Sunday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 6 to 9 mph WNW | 17% |
| Monday | 58°F | Mostly Sunny | 6 to 13 mph W | 10% |
| Monday Night | 39°F | Partly Cloudy | 10 mph WSW | 10% |
| Tuesday | 59°F | Mostly Sunny | 8 to 14 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Saginaw (43.420, -83.950). Updated through the day.
Growing snapshot for Saginaw
Last spring frost
Apr 29
First fall frost
Oct 21
Growing season
175 days
Hardiness zone
6a
More local growing data for Saginaw: nearby ZIP 48607 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Birch Run
Bridgeport
Buena Vista
Burt
Chesaning
Frankenmuth
Freeland
Hemlock
Merrill
Oakley
Robin Glen-Indiantown
Shields
St. Charles
Zilwaukee
Climate data from the nearest NOAA station, Saginaw #3, Mi (1.8 mi from Saginaw). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.